{"id":1670021,"url":"https://alion.io/job/dcg-senior-backend-developer-java","title":"Senior Backend Developer (Java)","company":{"id":936,"name":"DCG","domain":"dcg.pl","url":"https://alion.io/company/dcg","size_band":"51-200","is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Warsaw, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":160,"max":180,"currency":"PLN","period":"hour","gross":null,"usd_annual":94000},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"Java","optional":false},{"name":"Kubernetes","optional":false},{"name":"OpenShift","optional":false},{"name":"Rest API","optional":false},{"name":"Spring Boot","optional":false},{"name":"SQL","optional":false},{"name":"Apache Kafka","optional":true}],"status":"live","first_seen_at":"2026-10-02T06:31:28Z","employer_posted_date":null,"last_verified_at":"2026-10-02T06:31:28Z","board_verified":false,"closed_at":null,"days_open":2,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":2},"description":"As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for:\nSenior Backend Developer (Java)\nResponsibilities:\nDesign, develop, and maintain backend services and RESTful APIs using Java and Spring Boot\n\nBuild scalable, reliable, and high-performance backend solutions for client-facing applications\n\nDesign data models and integrate services with relational and NoSQL databases\n\nCollaborate with front-end developers to define API contracts and ensure seamless system integration\n\nDevelop and deploy applications in containerized environments using Docker, Kubernetes, or OpenShift\n\nApply secure coding standards and software engineering best practices\n\nCreate and maintain unit and integration tests\n\nIntegrate applications with CI/CD pipelines and automated deployment processes\n\nMonitor and optimize application performance, scalability, and reliability\n\nTroubleshoot technical and production issues and support their resolution\n\nParticipate in technical design discussions, sprint planning, code reviews, and other Agile activities\n\nRequirements:\n8+ years of professional backend software development experience\n\nStrong commercial experience with Java\n\nHands-on experience with Spring Boot\n\nStrong experience designing and developing REST APIs\n\nExperience with Docker and container orchestration platforms such as Kubernetes or OpenShift\n\nGood knowledge of SQL and relational databases, including data modelling and query optimization\n\nExperience with automated testing, including unit and integration testing\n\nFamiliarity with CI/CD pipelines and modern software delivery practices\n\nStrong understanding of object-oriented programming and software engineering principles\n\nAbility to work effectively in cross-functional Agile development teams\n\nFluency in English, both written and spoken\n\nNice to have:\nExperience with event-driven or messaging architectures, e.g. Kafka or MQ\n\nExperience with cloud-native application development\n\nKnowledge of NoSQL databases\n\nExperience within financial services, fund administration, or transfer agency environments\n\nOffer:\nPrivate medical care\n\nCo-financing for the sports card\n\nConstant support of dedicated consultant\n\nEmployee referral program","description_format":"text","description_chars":2471,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-02T06:32:37Z"}],"visa":[],"liveness":{"score":54,"band":"ok","label":"Likely open","p_open":1,"p_active":0.542,"p_room":1,"age_days":1,"expected_fill_days":41,"reasons":["seen:1","agency","velocity","win:early"],"computed_at":"2026-10-04T05:45:00Z"},"pay":{"stated_usd_annual":94000,"is_top_pay":false},"html_url":"https://alion.io/job/dcg-senior-backend-developer-java","json_url":"https://alion.io/job/dcg-senior-backend-developer-java.json","meta":{"generated_at":"2026-10-05T01:25:34Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":1919,"day_limit":5000,"remaining_today":3081,"minute_limit":60,"resets_at":"2026-10-06T00:00:00Z"}}}